Math Vocabulary

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Across
  1. 3. a quantity obtained by multiplication
  2. 6. the number obtained by division
  3. 7. distance around a circle
  4. 10. same shape and size
  5. 13. the inside of a 3D shape
  6. 14. the measurement from half a circle
  7. 15. a number that has no factor but itself and 1
  8. 18. a number in a system based on ten
  9. 19. not used up
Down
  1. 1. enlargement and reduction
  2. 2. any real number that cannot be expressed of two integers
  3. 3. balance and how things fit together
  4. 4. a number position relative to an axis
  5. 5. what 2 lines do when they cross
  6. 8. a number that is not a fraction
  7. 9. having three sides of different lengths
  8. 11. a four-sides polygon
  9. 12. the arithmetic operation of summing
  10. 16. mirror image of the shape
  11. 17. the number that remains after subtraction